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Gigahertz-rate Digital-to-Analog Converters (DACs) have become readily available from several commercial vendors but have been unable to achieve >;70 dB spurious-free dynamic range (SFDR) performance over a wide bandwidth (≥500MHz). This paper presents the results of a unique, heterogeneously-integrated (InP HBT with 0.18um silicon CMOS), 13-bit… (More)
Wideband digital-to-analog converters (DACs) are key to future high performance military electronic systems. This paper presents the results of an ultra wideband DAC based on advanced InP DHBT technology. The chip integrates a 40-to-10 bit digital multiplexer with a 10-bit DAC and associated clock generation.
This paper describes the development of analog-to-digital converters (ADCs) providing high dynamic range for multi carrier, multifunction communication applications. The ADCs are high order lowpass and bandpass delta-sigma modulators implemented in indium phosphide (InP) heterojunction bipolar (HBT) technology.
2 Abstract The navies of the US and its allies and coalition partners have come to be increasingly reliant on the availability of stable, high-bandwidth ship-to-shore satellite communications (SATCOM) to deliver network and application services. Even before recent recognition that satellite dependence presents tactical and operational vulnerabilities, work… (More)